Wed Jan 11 09:52:43 PST 2023
     10 __io_getevents_0_4(libaio.so.1),LinuxAIOHandler::collect(os0file.cc:2553),LinuxAIOHandler::poll(os0file.cc:2694),os_aio_linux_handler(os0file.cc:2744),os_aio_handler(os0file.cc:2744),fil_aio_wait(fil0fil.cc:8854),io_handler_thread(srv0start.cc:300),void(srv0start.cc:300),__invoke<void(srv0start.cc:300),__call<void,(srv0start.cc:300),operator()<>(srv0start.cc:300),operator()<void(srv0start.cc:300),__invoke_impl<void,(srv0start.cc:300),__invoke<Detached_thread,(srv0start.cc:300),_M_invoke<0,(srv0start.cc:300),operator()(srv0start.cc:300),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(srv0start.cc:300),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      8 nanosleep(libpthread.so.0),sleep_for<long,std::ratio<1,1000>>(thread:401),buf_lru_manager_sleep_if_needed(thread:401),buf_lru_manager_thread(unsigned(thread:401),void(thread:401),__invoke<void(thread:401),__call<void,(thread:401),operator()<>(thread:401),operator()<void(thread:401),__invoke_impl<void,(thread:401),__invoke<Detached_thread,(thread:401),_M_invoke<0,(thread:401),operator()(thread:401),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(thread:401),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      4 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),pop_jobs_item(thr_cond.h:161),slave_worker_exec_job_group(rpl_rli_pdb.cc:2524),handle_slave_worker(rpl_replica.cc:5952),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      4 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),Per_thread_connection_handler::block_until_new_connection(thr_cond.h:161),handle_connection(connection_handler_per_thread.cc:337),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      3 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),srv_worker_thread(srv0srv.cc:3393),void(srv0srv.cc:3393),__invoke<void(srv0srv.cc:3393),__call<void>(srv0srv.cc:3393),operator()<>(srv0srv.cc:3393),operator()<void(srv0srv.cc:3393),__invoke_impl<void,(srv0srv.cc:3393),__invoke<Detached_thread,(srv0srv.cc:3393),_M_invoke<0,(srv0srv.cc:3393),operator()(srv0srv.cc:3393),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(srv0srv.cc:3393),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      3 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),buf_flush_page_cleaner_thread(buf0flu.cc:3589),void(buf0flu.cc:3589),__invoke<void(buf0flu.cc:3589),__call<void>(buf0flu.cc:3589),operator()<>(buf0flu.cc:3589),operator()<void(buf0flu.cc:3589),__invoke_impl<void,(buf0flu.cc:3589),__invoke<Detached_thread,(buf0flu.cc:3589),_M_invoke<0,(buf0flu.cc:3589),operator()(buf0flu.cc:3589),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(buf0flu.cc:3589),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      2 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),pop(thr_cond.h:161),Mysql_thread::dispatcher()(thr_cond.h:161),launch_thread(mysql_thread.cc:31),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      2 pthread_cond_timedwait,native_cond_timedwait(thr_cond.h:148),my_cond_timedwait(thr_cond.h:148),inline_mysql_cond_timedwait(thr_cond.h:148),xpl::Cond::timed_wait(thr_cond.h:148),ngs::Scheduler_dynamic::wait_if_idle_then_delete_worker(atomic_base.h:430),ngs::Scheduler_dynamic::worker(scheduler.cc:243),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 sigwaitinfo(libc.so.6),signal_hand(mysqld.cc:3775),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 read(libpthread.so.0),sock_read(libcrypto.so),BIO_read(libcrypto.so),ssl23_read_bytes(libssl.so),ssl23_get_client_hello(libssl.so),ssl23_accept(libssl.so),xcom_tcp_server_startup(xcom_network_provider.cc:114),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(synchronize.h:49),xpl::Broker_task::wait_for_data_and_swap_queues(std::queue<ngs::Notice_descriptor,(synchronize.h:49),xpl::Broker_task::loop(broker_task.cc:92),ngs::Server::run_task(shared_ptr_base.h:1324),operator(atomicity.h:100),__invoke_impl<void,(atomicity.h:100),__invoke_r<void,(atomicity.h:100),std::_Function_handler<void(atomicity.h:100),operator(std_function.h:617),ngs::Scheduler_dynamic::worker()(std_function.h:617),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),srv_purge_coordinator_suspend(srv0srv.cc:3533),srv_purge_coordinator_thread()(srv0srv.cc:3533),void(srv0srv.cc:3533),__invoke<void(srv0srv.cc:3533),__call<void>(srv0srv.cc:3533),operator()<>(srv0srv.cc:3533),operator()<void(srv0srv.cc:3533),__invoke_impl<void,(srv0srv.cc:3533),__invoke<Detached_thread,(srv0srv.cc:3533),_M_invoke<0,(srv0srv.cc:3533),operator()(srv0srv.cc:3533),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(srv0srv.cc:3533),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),page_archiver_thread(arch0page.cc:69),void(arch0page.cc:69),__invoke<void(arch0page.cc:69),__call<void>(arch0page.cc:69),operator()<>(arch0page.cc:69),operator()<void(arch0page.cc:69),__invoke_impl<void,(arch0page.cc:69),__invoke<Detached_thread,(arch0page.cc:69),_M_invoke<0,(arch0page.cc:69),operator()(arch0page.cc:69),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(arch0page.cc:69),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),log_archiver_thread(arch0arch.cc:589),void(arch0arch.cc:589),__invoke<void(arch0arch.cc:589),__call<void>(arch0arch.cc:589),operator()<>(arch0arch.cc:589),operator()<void(arch0arch.cc:589),__invoke_impl<void,(arch0arch.cc:589),__invoke<Detached_thread,(arch0arch.cc:589),_M_invoke<0,(arch0arch.cc:589),operator()(arch0arch.cc:589),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(arch0arch.cc:589),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),buf_resize_thread(buf0buf.cc:2524),void(buf0buf.cc:2524),__invoke<void(buf0buf.cc:2524),__call<void>(buf0buf.cc:2524),operator()<>(buf0buf.cc:2524),operator()<void(buf0buf.cc:2524),__invoke_impl<void,(buf0buf.cc:2524),__invoke<Detached_thread,(buf0buf.cc:2524),_M_invoke<0,(buf0buf.cc:2524),operator()(buf0buf.cc:2524),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(buf0buf.cc:2524),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,wait(sync0types.h:574),os_event::wait_low(sync0types.h:574),os_event_wait_low(os0event.cc:594),buf_dump_thread(buf0dump.cc:679),void(buf0dump.cc:679),__invoke<void(buf0dump.cc:679),__call<void>(buf0dump.cc:679),operator()<>(buf0dump.cc:679),operator()<void(buf0dump.cc:679),__invoke_impl<void,(buf0dump.cc:679),__invoke<Detached_thread,(buf0dump.cc:679),_M_invoke<0,(buf0dump.cc:679),operator()(buf0dump.cc:679),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(buf0dump.cc:679),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,sleep_consumer(gcs_logging_system.h:366),Gcs_async_buffer::consume_events(gcs_logging_system.h:366),consumer_function(gcs_logging_system.cc:261),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),pop(thr_cond.h:161),Message_service_handler::dispatcher()(thr_cond.h:161),launch_message_service_handler_thread(message_service.cc:83),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),front(thr_cond.h:161),Applier_module::applier_thread_handle()(thr_cond.h:161),launch_handler_thread(applier.cc:50),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),Event_queue::cond_wait(thr_cond.h:161),Event_queue::get_top_for_execution_if_time(event_queue.cc:556),Event_scheduler::run(event_scheduler.cc:574),event_scheduler_thread(event_scheduler.cc:279),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,native_cond_wait(thr_cond.h:161),my_cond_wait(thr_cond.h:161),inline_mysql_cond_wait(thr_cond.h:161),compress_gtid_table(thr_cond.h:161),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_wait,Gcs_xcom_engine::process(gcs_xcom_notification.cc:212),process_notification_thread(gcs_xcom_notification.cc:158),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,Rpl_applier_reader::wait_for_new_event(rpl_applier_reader.cc:295),Rpl_applier_reader::read_next_event(rpl_applier_reader.cc:225),handle_slave_sql(rpl_replica.cc:7152),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),srv_monitor_thread(srv0srv.cc:1967),void(srv0srv.cc:1967),__invoke<void(srv0srv.cc:1967),__call<void>(srv0srv.cc:1967),operator()<>(srv0srv.cc:1967),operator()<void(srv0srv.cc:1967),__invoke_impl<void,(srv0srv.cc:1967),__invoke<Detached_thread,(srv0srv.cc:1967),_M_invoke<0,(srv0srv.cc:1967),operator()(srv0srv.cc:1967),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(srv0srv.cc:1967),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),srv_error_monitor_thread(srv0srv.cc:2090),void(srv0srv.cc:2090),__invoke<void(srv0srv.cc:2090),__call<void>(srv0srv.cc:2090),operator()<>(srv0srv.cc:2090),operator()<void(srv0srv.cc:2090),__invoke_impl<void,(srv0srv.cc:2090),__invoke<Detached_thread,(srv0srv.cc:2090),_M_invoke<0,(srv0srv.cc:2090),operator()(srv0srv.cc:2090),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(srv0srv.cc:2090),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),pc_sleep_if_needed(buf0flu.cc:2834),buf_flush_page_coordinator_thread(unsigned(buf0flu.cc:2834),void(buf0flu.cc:2834),__invoke<void(buf0flu.cc:2834),__call<void,(buf0flu.cc:2834),operator()<>(buf0flu.cc:2834),operator()<void(buf0flu.cc:2834),__invoke_impl<void,(buf0flu.cc:2834),__invoke<Detached_thread,(buf0flu.cc:2834),_M_invoke<0,(buf0flu.cc:2834),operator()(buf0flu.cc:2834),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(buf0flu.cc:2834),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),os_event_wait_for<log_writer::<lambda>>(log0write.cc:2278),wait<log_writer(log_t*)::<lambda(bool)>(log0write.cc:2278),log_writer(log0write.cc:2278),void(log0write.cc:2278),__invoke<void(log0write.cc:2278),__call<void,(log0write.cc:2278),operator()<>(log0write.cc:2278),operator()<void(log0write.cc:2278),__invoke_impl<void,(log0write.cc:2278),__invoke<Detached_thread,(log0write.cc:2278),_M_invoke<0,(log0write.cc:2278),operator()(log0write.cc:2278),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(log0write.cc:2278),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),os_event_wait_for<log_write_notifier::<lambda>>(unique_ptr.h:781),wait<log_write_notifier(log_t*)::<lambda(bool)>(unique_ptr.h:781),log_write_notifier(log_t*)(unique_ptr.h:781),void(unique_ptr.h:781),__invoke<void(unique_ptr.h:781),__call<void,(unique_ptr.h:781),operator()<>(unique_ptr.h:781),operator()<void(unique_ptr.h:781),__invoke_impl<void,(unique_ptr.h:781),__invoke<Detached_thread,(unique_ptr.h:781),_M_invoke<0,(unique_ptr.h:781),operator()(unique_ptr.h:781),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(unique_ptr.h:781),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),os_event_wait_for<log_flush_notifier::<lambda>>(unique_ptr.h:781),wait<log_flush_notifier(log_t*)::<lambda(bool)>(unique_ptr.h:781),log_flush_notifier(log_t*)(unique_ptr.h:781),void(unique_ptr.h:781),__invoke<void(unique_ptr.h:781),__call<void,(unique_ptr.h:781),operator()<>(unique_ptr.h:781),operator()<void(unique_ptr.h:781),__invoke_impl<void,(unique_ptr.h:781),__invoke<Detached_thread,(unique_ptr.h:781),_M_invoke<0,(unique_ptr.h:781),operator()(unique_ptr.h:781),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(unique_ptr.h:781),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),os_event_wait_for<log_flusher::<lambda>>(log0write.cc:2576),wait<log_flusher(log_t*)::<lambda(bool)>(log0write.cc:2576),log_flusher(log_t*)(log0write.cc:2576),void(log0write.cc:2576),__invoke<void(log0write.cc:2576),__call<void,(log0write.cc:2576),operator()<>(log0write.cc:2576),operator()<void(log0write.cc:2576),__invoke_impl<void,(log0write.cc:2576),__invoke<Detached_thread,(log0write.cc:2576),_M_invoke<0,(log0write.cc:2576),operator()(log0write.cc:2576),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(log0write.cc:2576),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),log_checkpointer(log0chkp.cc:1103),void(log0chkp.cc:1103),__invoke<void(log0chkp.cc:1103),__call<void,(log0chkp.cc:1103),operator()<>(log0chkp.cc:1103),operator()<void(log0chkp.cc:1103),__invoke_impl<void,(log0chkp.cc:1103),__invoke<Detached_thread,(log0chkp.cc:1103),_M_invoke<0,(log0chkp.cc:1103),operator()(log0chkp.cc:1103),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(log0chkp.cc:1103),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),lock_wait_timeout_thread(lock0wait.cc:1526),void(lock0wait.cc:1526),__invoke<void(lock0wait.cc:1526),__call<void>(lock0wait.cc:1526),operator()<>(lock0wait.cc:1526),operator()<void(lock0wait.cc:1526),__invoke_impl<void,(lock0wait.cc:1526),__invoke<Detached_thread,(lock0wait.cc:1526),_M_invoke<0,(lock0wait.cc:1526),operator()(lock0wait.cc:1526),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(lock0wait.cc:1526),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),ib_wqueue_timedwait(ut0wqueue.cc:128),fts_optimize_thread(fts0opt.cc:2844),void(fts0opt.cc:2844),__invoke<void(fts0opt.cc:2844),__call<void,(fts0opt.cc:2844),operator()<>(fts0opt.cc:2844),operator()<void(fts0opt.cc:2844),__invoke_impl<void,(fts0opt.cc:2844),__invoke<Detached_thread,(fts0opt.cc:2844),_M_invoke<0,(fts0opt.cc:2844),operator()(fts0opt.cc:2844),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(fts0opt.cc:2844),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),dict_stats_thread(dict0stats_bg.cc:368),void(dict0stats_bg.cc:368),__invoke<void(dict0stats_bg.cc:368),__call<void>(dict0stats_bg.cc:368),operator()<>(dict0stats_bg.cc:368),operator()<void(dict0stats_bg.cc:368),__invoke_impl<void,(dict0stats_bg.cc:368),__invoke<Detached_thread,(dict0stats_bg.cc:368),_M_invoke<0,(dict0stats_bg.cc:368),operator()(dict0stats_bg.cc:368),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(dict0stats_bg.cc:368),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,os_event::timed_wait(sync0types.h:574),os_event::wait_time_low(os0event.cc:484),os_event_wait_time_low(os0event.cc:580),Clone_persist_gtid::periodic_write(clone0repl.cc:606),void(clone0repl.cc:606),__invoke<void(clone0repl.cc:606),__call<void,(clone0repl.cc:606),operator()<>(clone0repl.cc:606),operator()<void(clone0repl.cc:606),__invoke_impl<void,(clone0repl.cc:606),__invoke<Detached_thread,(clone0repl.cc:606),_M_invoke<0,(clone0repl.cc:606),operator()(clone0repl.cc:606),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(clone0repl.cc:606),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,native_cond_timedwait(thr_cond.h:148),my_cond_timedwait(thr_cond.h:148),inline_mysql_cond_timedwait(thr_cond.h:148),Certifier_broadcast_thread::dispatcher()(thr_cond.h:148),launch_broadcast_thread(certifier.cc:42),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 pthread_cond_timedwait,Gcs_suspicions_manager::process_suspicions(gcs_xcom_control_interface.cc:2086),suspicions_processing_thread(gcs_xcom_control_interface.cc:72),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 poll(libc.so.6),poll(poll2.h:46),poll_wait(poll2.h:46),task_loop(task.cc:1196),xcom_taskmain2(xcom_base.cc:1536),xcom_taskmain_startup(xcom_base.cc:1536),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)
      1 poll(libc.so.6),poll(poll2.h:46),Mysqld_socket_listener::listen_for_connection_event()(poll2.h:46),connection_event_loop(connection_handler_manager.h:140),mysqld_main(int,(connection_handler_manager.h:140),__libc_start_main(libc.so.6),_start(my_sys.h:887)
      1 nanosleep(libpthread.so.0),sleep_for<long,std::ratio<1>>(thread:401),srv_master_sleep(thread:401),srv_master_main_loop(thread:401),srv_master_thread(thread:401),void(thread:401),__invoke<void(thread:401),__call<void>(thread:401),operator()<>(thread:401),operator()<void(thread:401),__invoke_impl<void,(thread:401),__invoke<Detached_thread,(thread:401),_M_invoke<0,(thread:401),operator()(thread:401),std::thread::_State_impl<std::thread::_Invoker<std::tuple<Detached_thread,(thread:401),execute_native_thread_routine,start_thread(libpthread.so.0),clone(libc.so.6)
      1 epoll_wait(libc.so.6),epoll_dispatch(epoll.c:465),event_base_loop(event.c:1998),ngs::Server::run_task(shared_ptr_base.h:1324),operator(atomicity.h:100),__invoke_impl<void,(atomicity.h:100),__invoke_r<void,(atomicity.h:100),std::_Function_handler<void(atomicity.h:100),operator(std_function.h:617),ngs::Scheduler_dynamic::worker()(std_function.h:617),pfs_spawn_thread(pfs.cc:2947),start_thread(libpthread.so.0),clone(libc.so.6)